Patents by Inventor Yuri P. Treer

Yuri P. Treer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Combination of a game apparatus and educational device
    Patent number: 4822047
    Abstract: An apparatus in a combination of a game apparatus and educational device, comprising three major components, central housing, and left and right housings attached to it, and containing movable elements inside of the device, such as balls and dice, for which one attempts to get certain of the movable elements into positions within the left and right housings via various channels and apertures.
    Type: Grant
    Filed: September 3, 1987
    Date of Patent: April 18, 1989
    Inventor: Yuri P. Treer